package adminServlet;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import routeDao.RouteDao;
import routeEntity.Route;
import routeImplment.RouteImplment;

/**
 * Servlet implementation class AdminQueryRoute
 */
public class AdminQueryRoute extends HttpServlet {
    private static final long serialVersionUID = 1L;

    /**
     * @see HttpServlet#HttpServlet()
     */
    public AdminQueryRoute() {
        super();
        // TODO Auto-generated constructor stub
    }

    /**
     * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
     */
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        // TODO Auto-generated method stub
        String fromStation = request.getParameter("fromStation");
        String toStation = request.getParameter("toStation");
        String fromTime = request.getParameter("fromTime") + '%';
        RouteDao routeImplment = new RouteImplment();
        HttpSession session = request.getSession();
        List<Route> routeList;
        routeList = routeImplment.RouteQuery(fromStation, toStation, fromTime);
        if (routeList.size() == 0) {
            session.setAttribute("routeList", routeImplment.GetAllRoute());
        } else {
            session.setAttribute("routeList", routeList);
        }
        request.getRequestDispatcher("adminRoute.jsp").forward(request, response);
    }

    /**
     * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
     */
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        // TODO Auto-generated method stub
        doGet(request, response);
    }

}
